For about 99% of HU's, no. There were some built by Pioneer a few years back that could bridge the rear channels to a single sub. The bridged rear channels were probably good for 50w at most.

Grab yourself an inexpensive 4ch amp. You can get something decent off ebay for $50 or so. Pick up a 4ch amp install kit from www.knukonceptz.com to install it.


1999 Ford Contour SVT #900/2760 (SOLD) 2005 Mazda 6s 2003.5 Mazdaspeed Protege 1998 Ford Ranger 4x4